<Window x:Class="WpfApplication22.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="100" Width="300">
<Window.Resources>
<Style TargetType="{x:Type ListBox}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBox}">
<Border Name="Border" Background="Azure" BorderBrush="BlanchedAlmond"
BorderThickness="1" CornerRadius="3">
<ScrollViewer Focusable="False">
<ItemsPresenter Margin="2"></ItemsPresenter>
</ScrollViewer>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style TargetType="{x:Type ListBoxItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBoxItem}">
<Border Name="Border" Background="Azure" BorderBrush="BlanchedAlmond"
BorderThickness="1" CornerRadius="3">
<ContentPresenter/>
</Border>
<ControlTemplate.Triggers>
<EventTrigger RoutedEvent="ListBoxItem.MouseEnter">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty="FontSize"
To="20" Duration="0:0:1">
</DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
<EventTrigger RoutedEvent="ListBoxItem.MouseLeave">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty="FontSize"
BeginTime="0:0:0.5" Duration="0:0:0.2">
</DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="Border" Property="BorderBrush" Value="Red"></Setter>
</Trigger>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="Border" Property="Background" Value="BlanchedAlmond"></Setter>
<Setter TargetName="Border" Property="TextBlock.Foreground" Value="YellowGreen"></Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<ListBox Name="listBox">
<ListBoxItem>name</ListBoxItem>
<ListBoxItem>box</ListBoxItem>
<ListBoxItem>item</ListBoxItem>
<ListBoxItem>list</ListBoxItem>
</ListBox>
</Window>